Home / 20,492.55-30,738.83-17,212.05

Finding the Fourth Proportional to 20,492.55, 30,738.83 and 17,212.05

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Solution

The fourth proportional to 20,492.55, 30,738.83 and 17,212.05 is: 25,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.55 : 30,738.83 = 17,212.05 : x
  2. Step 2: Convert to fraction form
    20,492.55/30,738.83 = 17,212.05/x
  3. Step 3: Cross multiply
    20,492.55x = 30,738.83 × 17,212.05
  4. Step 4: Simplify right side
    20,492.55x = 529,078,192.84
  5. Step 5: Solve for x
    x = 529,078,192.84/20,492.55
  6. Step 6: Final answer
    x = 25,818.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.